Shokugeki no Souma
食戟のソーマ 餐ノ皿 OVA 極星寮のえりな
Shokugeki no Souma: San no Sara - Kyokuseiryou no Erina Food Wars! The Third Plate: Erina at Polar Star Dormitory
Bundled with the 29th volume of the Shokugeki no Souma manga. It tells the story of what happened to Erina after she ran away from her father.